ECM Inputs and Outputs at Connector No. 2 (58P)
NOTE: Standard battery voltage is 12 V.
ECM Terminal number
Wire color
Terminal name
Description
1
YEL/BLK
IGP1 (POWER SOURCE)
Power source for ECM circuit
2
BLK
PG1 (POWER GROUND)
Ground for ECM circuit
3
YEL/BLK
IGP2 (POWER SOURCE)
Power source for ECM circuit
4
BLK
PG2 (POWER GROUND)
Ground for ECM circuit
5
YEL/BLK
IGP3 (POWER SOURCE)
Power source for ECM circuit
6
BLK
PG3 (POWER GROUND)
Ground for ECM circuit
7
RED/WHT
WEN (WRITE ENABLE SIGNAL)
Detects write enable signal
9
WHT/BLU
APSB (ACCELERATOR PEDAL POSITION (APP) SENSOR B)
Detects APP sensor B signal
10
YEL/RED
TF (FUEL TEMPERATURE SENSOR)
Detects fuel temperature sensor signal
11
WHT/BLK
APSSG2 (SENSOR GROUND)
Sensor ground
12
BLK
APSSG1 (SENSOR GROUND)
Sensor ground
13
YEL/RED
APSVCC2 (SENSOR REFERENCE VOLTAGE)
Provides sensor voltage
14
RED/BLK
APSVCC1 (SENSOR REFERENCE VOLTAGE)
Provides sensor voltage
16
BLU/WHT
VSSOUT (VEHICLE SPEED SENSOR (VSS) OUTPUT SIGNAL)
Sends vehicle speed sensor signal
18
BLU
NEP (ENGINE SPEED PULSE)
Outputs engine speed pulse
19
GRN/YEL
MRLY (PGM-FI MAIN RELAY)
Drives PGM-FI main relay 1
Power source for DTC memory
20
BRN
SCS (SERVICE CHECK SIGNAL)
Detects service check signal
21
GRN/BLK
ELDGND (ELECTRICAL LOAD DETECTOR (ELD) GROUND)
Ground for ELD
22
BRN
APSA (ACCELERATOR PEDAL POSITION (APP) SENSOR A)
Detects APP sensor A signal
23
GRN/RED
ELD (ELECTRICAL LOAD DETECTOR (ELD))
Detects ELD signal
27
YEL/BLK
IG2 (IGNITION SIGNAL)
Detects ignition signal
28
LT BLU
CLSWOFF (CLUTCH PEDAL POSITION SWITCH B)
Detects clutch pedal position switch B signal